CVE-2026-21918

CVE-2026-21918 describes a Double Free vulnerability in the flow processing daemon (flowd) of Juniper Networks Junos OS on SRX and MX Series. The issue allows an unauthenticated, network-based attacker to cause a Denial-of-Service (DoS) by sending a specific sequence of TCP packets during session...

CVE-2026-21918 Junos OS: SRX and MX Series: When TCP packets occur in a specific sequence flowd crashes

A Double Free vulnerability in the flow processing daemon flowd of Juniper Networks Junos OS on SRX and MX Series allows an unauthenticated, network-based attacker to cause a Denial-of-Service DoS. On all SRX and MX Series platforms, when during TCP session establishment a specific sequence of...

CVE-2026-21905

A Loop with Unreachable Exit Condition 'Infinite Loop' vulnerability in the SIP application layer gateway ALG of Juniper Networks Junos OS on SRX Series and MX Series with MX-SPC3 or MS-MPC allows an unauthenticated network-based attacker sending specific SIP messages over TCP to crash the flow...

CVE-2026-23746

Entrust Instant Financial Issuance IFI On Premise software formerly referred to as CardWizard versions 5.x, prior to 6.10.5, and prior to 6.11.1 contain an insecure .NET Remoting exposure in the SmartCardController service DCG.SmartCardControllerService.exe. The service registers a TCP remoting...

mptcp: fallback earlier on simult connection

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Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-002547)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002547 advisory. The tcpv6synrecvsock function in net/ipv6/tcpipv6.c in the Linux kernel through 4.11.1 mishandles inheritance, which allows local users to cause a denial of service ...

VulnCheck KEV: CVE-2025-64155

An improper neutralization of special elements used in an os command 'os command injection' vulnerability in Fortinet FortiSIEM 7.4.0, FortiSIEM 7.3.0 through 7.3.4, FortiSIEM 7.1.0 through 7.1.8, FortiSIEM 7.0.0 through 7.0.4, FortiSIEM 6.7.0 through 6.7.10 may allow an attacker to execute...

PT-2026-3130

Name of the Vulnerable Software and Affected Versions Juniper Networks Junos OS versions prior to 22.4R3-S7 Juniper Networks Junos OS versions 23.2 before 23.2R2-S3 Juniper Networks Junos OS versions 23.4 before 23.4R2-S4 Juniper Networks Junos OS versions 24.2 before 24.2R2 Description A Double...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-003135)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-003135 advisory. The TCP stack in the Linux kernel before 4.8.10 mishandles skb truncation, which allows local users to cause a denial of service system crash via a crafted applicati...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-001932)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001932 advisory. The tcpillinoisinfo function in net/ipv4/tcpillinois.c in the Linux kernel before 3.4.19, when the net.ipv4.tcpcongestioncontrol illinois setting is enabled, allows...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-003543)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-003543 advisory. Linux kernel versions 4.9+ can be forced to make very expensive calls to tcpcollapseofoqueue and tcppruneofoqueue for every incoming packet which can lead to a denia...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-002185)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002185 advisory. The tcprcvstateprocess function in net/ipv4/tcpinput.c in the Linux kernel before 3.2.24 allows remote attackers to cause a denial of service kernel resource...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-002717)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002717 advisory. The tcpv6synrecvsock function in net/ipv6/tcpipv6.c in the Linux kernel through 4.11.1 mishandles inheritance, which allows local users to cause a denial of service ...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-002117)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002117 advisory. The tcpillinoisinfo function in net/ipv4/tcpillinois.c in the Linux kernel before 3.4.19, when the net.ipv4.tcpcongestioncontrol illinois setting is enabled, allows...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-003096)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-003096 advisory. The TCP stack in the Linux kernel 3.x does not properly implement a SYN cookie protection mechanism for the case of a fast network connection, which allows remote...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-003015)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-003015 advisory. The tcpmssmanglepacket function in net/netfilter/xtTCPMSS.c in the Linux kernel before 4.11, and 4.9.x before 4.9.36, allows remote attackers to cause a denial of...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-002322)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002322 advisory. The netgetrandomonce implementation in net/core/utils.c in the Linux kernel 3.13.x and 3.14.x before 3.14.5 on certain Intel processors does not perform the intended...

CVE-2025-71144

In the Linux kernel, the following vulnerability has been resolved: mptcp: ensure context reset on disconnect After the blamed commit below, if the MPC subflow is already in TCPCLOSE status or has fallback to TCP at mptcpdisconnect time, mptcpdofastclose skips setting the sendfastclose flag and t...

CVE-2025-71126

In the Linux kernel, the following vulnerability has been resolved: mptcp: avoid deadlock on fallback while reinjecting Jakub reported an MPTCP deadlock at fallback time: WARNING: possible recursive locking detected 6.18.0-rc7-virtme 1 Not tainted --------------------------------------------...

CVE-2025-71144

In the Linux kernel, the following vulnerability has been resolved: mptcp: ensure context reset on disconnect After the blamed commit below, if the MPC subflow is already in TCPCLOSE status or has fallback to TCP at mptcpdisconnect time, mptcpdofastclose skips setting the sendfastclose flag and t...